Transactions . bles, each mill feeding two tables. These tablesmake a final taiUng, which runs to waste. The rough concentrate fromeach table feeds one No. 5 Wilfley table, which makes a tailing to wasteand a concentrate which joins the primary Wilfley concentrate and islaundered to the retreatment plant. E. V. DAVELER 499 The water used in the plant is obtained, in the summer, from thefreshwater supply, which will operate the mill on a 10,000-ton basis forabout 5 mo.; during the remainder of the year, make up water is suppHedby the salt-water pumps. These are three two-stage Byron Jacksonturb
Transactions . bles, each mill feeding two tables. These tablesmake a final taiUng, which runs to waste. The rough concentrate fromeach table feeds one No. 5 Wilfley table, which makes a tailing to wasteand a concentrate which joins the primary Wilfley concentrate and islaundered to the retreatment plant. E. V. DAVELER 499 The water used in the plant is obtained, in the summer, from thefreshwater supply, which will operate the mill on a 10,000-ton basis forabout 5 mo.; during the remainder of the year, make up water is suppHedby the salt-water pumps. These are three two-stage Byron Jacksonturbine pumps of 1000-, 2000-, and 3000-gal. per min. capacity, respec-tively, against a 275-ft. (83-m.) head. The water consumption is gal. per min. per ton ore milled per day. Retreatment Plant From the concentrating department, the concentrates are launderedto elevator pits and carried to the top floor of the retreatment plant by a12-in. bucket elevator on each haK of the plant. One-haK of the retreat-. Fig. 3.—Flow s 68 E> HEET, ONE-HALF R ETRE.\ T PLANT. 45. 12-in. bucket elevator. 51. 7 bv 10-ft. Standard £ 6. Two No. 5 Wilfley 46. Six-way distributor. tube-mill. tables. 47. Twelve No. 5 Wilfley 52. 12-in. bucket elevator, c 7. Two No. 5 Wilfley tables. 53. F o u r-compartment tables. 48. Two No. 5 Wilfley Janney classifier. t 8. Two bins for shipping tables. 54. Three No. 5 Wilfley concentrate. 49. T h r e e-compartment tables. c 9. Three 6-ft. 1-shell Janney classifier. 55. Three No. 5 Wilflev vanners. 50. Dewatering box. tables. e 0. Two cone tanks. ment plant treats the concentrates from one-half of the concentratingdepartment. From the elevator, the concentrate is distributed to twelvestandard No. 5 Wilfley tables, which remove a rough lead concentratecarrying all the free coarse gold. This lead concentrate is then retabledon one No. 5 Wilfley table to separate the free gold from the shippingconcentrate. This separates some of the coarse lead with prac
Size: 2112px × 1184px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
